CA2263845A1 - Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes - Google Patents

Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes

Info

Publication number
CA2263845A1
CA2263845A1 CA002263845A CA2263845A CA2263845A1 CA 2263845 A1 CA2263845 A1 CA 2263845A1 CA 002263845 A CA002263845 A CA 002263845A CA 2263845 A CA2263845 A CA 2263845A CA 2263845 A1 CA2263845 A1 CA 2263845A1
Authority
CA
Canada
Prior art keywords
polymer
cooling stage
preform
packing
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002263845A
Other languages
English (en)
Other versions
CA2263845C (fr
Inventor
Thomas E. Nahill
Suppayan M. Krishnakumar
Wayne N. Collette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Graham Packaging Pet Technologies Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2263845A1 publication Critical patent/CA2263845A1/fr
Application granted granted Critical
Publication of CA2263845C publication Critical patent/CA2263845C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1646—Injecting parison-like articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C2045/1656—Injecting the skin material through the central passage of the multiway nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0811—Wall thickness
    • B29C2949/0813—Wall thickness of the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/082—Diameter
    • B29C2949/0822—Diameter of the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/081—Specified dimensions, e.g. values or ranges
    • B29C2949/0829—Height, length
    • B29C2949/0831—Height, length of the neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B29C2949/0863—Crystallinity at the neck portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B29C2949/0865—Crystallinity at the body portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3008—Preforms or parisons made of several components at neck portion
    • B29C2949/3009—Preforms or parisons made of several components at neck portion partially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3012—Preforms or parisons made of several components at flange portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3016—Preforms or parisons made of several components at body portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/302—Preforms or parisons made of several components at bottom portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • B29C2949/3026—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components
    • B29C2949/3028—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components
    • B29C2949/303—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique having two or more components having three or more components having more than three components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3032—Preforms or parisons made of several components having components being injected
    • B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
    • B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/30—Preforms or parisons made of several components
    • B29C2949/3032—Preforms or parisons made of several components having components being injected
    • B29C2949/3034—Preforms or parisons made of several components having components being injected having two or more components being injected
    • B29C2949/3036—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected
    • B29C2949/3038—Preforms or parisons made of several components having components being injected having two or more components being injected having three or more components being injected having more than three components being injected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6604—Thermal conditioning of the blown article
    • B29C49/6605—Heating the article, e.g. for hot fill

Landscapes

  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Wrappers (AREA)
  • Sealing Material Composition (AREA)
  • Laminated Bodies (AREA)
  • Polymerisation Methods In General (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)
  • Biological Depolymerization Polymers (AREA)
CA002263845A 1996-08-22 1997-08-18 Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes Expired - Fee Related CA2263845C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/702,755 1996-08-22
US08/702,755 US6063325A (en) 1996-08-22 1996-08-22 Method for preventing uncontrolled polymer flow in preform neck finish during packing and cooling stage
PCT/US1997/014451 WO1998007556A1 (fr) 1996-08-22 1997-08-18 Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes

Publications (2)

Publication Number Publication Date
CA2263845A1 true CA2263845A1 (fr) 1998-02-26
CA2263845C CA2263845C (fr) 2006-12-05

Family

ID=24822455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002263845A Expired - Fee Related CA2263845C (fr) 1996-08-22 1997-08-18 Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes

Country Status (16)

Country Link
US (1) US6063325A (fr)
EP (2) EP1215028A3 (fr)
JP (1) JP4104022B2 (fr)
CN (2) CN1159147C (fr)
AT (1) ATE227632T1 (fr)
AU (1) AU727103B2 (fr)
BR (1) BR9711343A (fr)
CA (1) CA2263845C (fr)
DE (1) DE69717119T2 (fr)
DK (1) DK0921928T3 (fr)
ES (1) ES2187808T3 (fr)
HU (1) HUP9903957A3 (fr)
NO (1) NO313817B1 (fr)
NZ (1) NZ334575A (fr)
PT (1) PT921928E (fr)
WO (1) WO1998007556A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117565332A (zh) * 2023-12-22 2024-02-20 太仓市众翔精密五金有限公司 一种二次成型模具注射流道结构及注塑成型装置

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6123211A (en) * 1997-10-14 2000-09-26 American National Can Company Multilayer plastic container and method of making the same
CA2331132C (fr) * 1998-05-01 2008-12-16 Fei Enterprises, Ltd. Procede de fabrication par moulage par injection pour dispositifs de liberation controlee
US7543713B2 (en) * 2001-04-19 2009-06-09 Graham Packaging Company L.P. Multi-functional base for a plastic, wide-mouth, blow-molded container
WO2005012091A2 (fr) 2003-07-30 2005-02-10 Graham Packaging Company, L.P. Systeme de manipulation de recipient
JP3896524B2 (ja) * 2000-12-20 2007-03-22 株式会社吉野工業所 合成樹脂製２軸延伸ブロー成形壜体成形用プリフォーム
US20030161977A1 (en) * 2001-04-06 2003-08-28 Douglas Sabin Four layer nozzle for forming four layer articles
US6596213B2 (en) * 2001-04-06 2003-07-22 Kortec, Inc. Method of molding multi-layer polymer plastic articles with control of relative shifting of the core layer
US6908581B2 (en) * 2001-04-06 2005-06-21 Kortec, Inc. Optimized flow to prevent core layer breakthrough
ES2693703T3 (es) * 2001-06-18 2018-12-13 Becton, Dickinson And Company Proceso para formar recipientes multicapa
JP3994146B2 (ja) * 2001-12-18 2007-10-17 株式会社吉野工業所 合成樹脂製容器本体およびプリフォームの金型装置
EP1478501A1 (fr) * 2002-01-31 2004-11-24 Kortec, Inc. Optimisation de l'ecoulement destinee a empecher une percee de la couche centrale
WO2006014543A2 (fr) * 2004-07-07 2006-02-09 Kortec, Inc. Moulage multicouche a ajustement thermique du debit en liaison avec la technologie a pots de soufflage
US8017065B2 (en) 2006-04-07 2011-09-13 Graham Packaging Company L.P. System and method for forming a container having a grip region
US10457437B2 (en) 2006-03-06 2019-10-29 Plastipak Packaging, Inc. Lightweight plastic container and preform
US8857637B2 (en) 2006-03-06 2014-10-14 Plastipak Packaging, Inc. Lightweight plastic container and preform
US9707711B2 (en) 2006-04-07 2017-07-18 Graham Packaging Company, L.P. Container having outwardly blown, invertible deep-set grips
US8747727B2 (en) 2006-04-07 2014-06-10 Graham Packaging Company L.P. Method of forming container
EP1955835A1 (fr) 2007-02-07 2008-08-13 Aisapack Holding SA Méthode de réalisation d'un objet multicouche
EP1997603A1 (fr) * 2007-05-31 2008-12-03 Alliance for business solutions A4BS Systèmes canaux chauffés modifiés pour moulage par soufflage à injection
US20090223920A1 (en) * 2008-03-07 2009-09-10 Graham Packaging Company, Lp Abuse resistant preform and container neck finish
US8627944B2 (en) 2008-07-23 2014-01-14 Graham Packaging Company L.P. System, apparatus, and method for conveying a plurality of containers
US8597748B2 (en) * 2008-09-02 2013-12-03 Graham Packaging Company, L.P. Preform for making plastic container
US8636944B2 (en) * 2008-12-08 2014-01-28 Graham Packaging Company L.P. Method of making plastic container having a deep-inset base
US7926243B2 (en) 2009-01-06 2011-04-19 Graham Packaging Company, L.P. Method and system for handling containers
US8715563B2 (en) 2009-11-30 2014-05-06 Alliance For Business Solutions A4Bs Modified hot runner systems for injection blow molding
CA2789796C (fr) * 2010-03-08 2019-05-07 Kortec, Inc. Procedes de moulage d'articles polymeres multicouches commandant la percee de la couche centrale
GB2478732B (en) 2010-03-15 2014-08-20 Kraft Foods R & D Inc Improvements in injection moulding
CA2802328C (fr) * 2010-07-16 2019-06-04 Kortec, Inc. Impermeabilite au gaz amelioree pour contenants moules par injection
US8580294B2 (en) 2010-10-19 2013-11-12 International Partnership For Microbicides Platinum-catalyzed intravaginal rings
US8962114B2 (en) 2010-10-30 2015-02-24 Graham Packaging Company, L.P. Compression molded preform for forming invertible base hot-fill container, and systems and methods thereof
PT2643136T (pt) 2010-11-24 2018-07-03 Milacron Llc Método de prevenção de falha na termosselagem
US9994378B2 (en) 2011-08-15 2018-06-12 Graham Packaging Company, L.P. Plastic containers, base configurations for plastic containers, and systems, methods, and base molds thereof
US9150320B2 (en) 2011-08-15 2015-10-06 Graham Packaging Company, L.P. Plastic containers having base configurations with up-stand walls having a plurality of rings, and systems, methods, and base molds thereof
US8919587B2 (en) 2011-10-03 2014-12-30 Graham Packaging Company, L.P. Plastic container with angular vacuum panel and method of same
CH707196A1 (de) * 2012-11-07 2014-05-15 Alpla Werke Spritzgegossener Preform zur Herstellung von Kunststoffbehältern in einem Streckblasverfahren.
US9254937B2 (en) 2013-03-15 2016-02-09 Graham Packaging Company, L.P. Deep grip mechanism for blow mold and related methods and bottles
US9022776B2 (en) 2013-03-15 2015-05-05 Graham Packaging Company, L.P. Deep grip mechanism within blow mold hanger and related methods and bottles
US10137031B2 (en) 2013-11-14 2018-11-27 International Partnership For Microbicides, Inc. Combination therapy intravaginal rings
DE102014004221A1 (de) 2014-03-25 2015-10-01 Hpt Hochwertige Pharmatechnik Gmbh & Co. Kg Spritzstation für die Herstellung von Multilayer-Vorformlingen
MX2018010762A (es) * 2016-03-11 2019-01-10 Ring Container Tech Llc Metodo de fabricacion de un recipiente.
CA3037567C (fr) * 2016-10-05 2023-01-03 Husky Injection Molding Systems Ltd. Buse de canal chauffe a materiaux multiples
CH716662A1 (de) * 2019-10-02 2021-04-15 Alpla Werke Alwin Lehner Gmbh & Co Kg Wiederbefüllbarer Kunststoffbehälter mit einem Hals mit einer Halsöffnung und einen ein Füllvolumen umschliessenden Behälterkörper.
CN112223725B (zh) * 2020-09-23 2022-06-28 四川科伦药业股份有限公司 一种塑料输液容器注吹一体制造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332545A (en) * 1977-12-23 1982-06-01 Emhart Industries, Inc. Core pin support and adjusting arrangement
US4627952A (en) * 1982-09-03 1986-12-09 Celanese Corporation Injection molding process
US4554190A (en) * 1983-04-13 1985-11-19 American Can Company Plastic containers with folded-over internal layers and methods for making same
US4609516A (en) * 1984-02-17 1986-09-02 Continental Pet Technologies, Inc. Method of forming laminated preforms
US4550043A (en) * 1984-02-17 1985-10-29 Continental Plastic Containers, Inc. Preform with internal barrier and internal layer of high thermal stability and products made from the same
US4847129A (en) * 1988-09-16 1989-07-11 Continental Pet Technologies, Inc. Multilayer preform for hot fill containers
US4954376A (en) * 1988-12-30 1990-09-04 Continental Pet Technologies, Inc. Two material three/five layer preform
US5539675A (en) * 1993-12-30 1996-07-23 General Electric Company Automated thickness measuring device
US5464106A (en) * 1994-07-06 1995-11-07 Plastipak Packaging, Inc. Multi-layer containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117565332A (zh) * 2023-12-22 2024-02-20 太仓市众翔精密五金有限公司 一种二次成型模具注射流道结构及注塑成型装置
CN117565332B (zh) * 2023-12-22 2024-06-11 太仓市众翔精密五金有限公司 一种二次成型模具注射流道结构及注塑成型装置

Also Published As

Publication number Publication date
NZ334575A (en) 2000-10-27
DK0921928T3 (da) 2003-03-10
HUP9903957A3 (en) 2001-10-29
US6063325A (en) 2000-05-16
JP2000516167A (ja) 2000-12-05
CN1233207A (zh) 1999-10-27
WO1998007556A1 (fr) 1998-02-26
AU4071097A (en) 1998-03-06
CN1159147C (zh) 2004-07-28
ES2187808T3 (es) 2003-06-16
NO990826L (no) 1999-04-21
NO990826D0 (no) 1999-02-22
NO313817B1 (no) 2002-12-09
PT921928E (pt) 2003-03-31
CA2263845C (fr) 2006-12-05
EP0921928A1 (fr) 1999-06-16
DE69717119T2 (de) 2003-08-21
DE69717119D1 (de) 2002-12-19
CN1082427C (zh) 2002-04-10
EP1215028A3 (fr) 2003-01-02
EP1215028A2 (fr) 2002-06-19
CN1377765A (zh) 2002-11-06
BR9711343A (pt) 1999-08-17
ATE227632T1 (de) 2002-11-15
JP4104022B2 (ja) 2008-06-18
HUP9903957A2 (hu) 2001-09-28
AU727103B2 (en) 2000-11-30
EP0921928B1 (fr) 2002-11-13

Similar Documents

Publication Publication Date Title
CA2263845A1 (fr) Procede de reduction des flux non controles de polymeres pendant les etapes de remplissage et de refroidissement lors de la finition du goulot de preformes
US7238318B2 (en) Plastic article and method for obtaining same
CN87101758A (zh) 带把手的合成树脂中空容器及其模塑成型方法
CN1059153C (zh) 塑坯颈部内螺纹的制作方法
AU604530B2 (en) Preform for biaxially oriented container and method of molding the same
CA2367430A1 (fr) Appareil et procede de fabrication de polyester enduit d'une couche barriere
JPH0215370B2 (fr)
US9981442B2 (en) Method for producing a multilayered preform and a preform
EP0870593B1 (fr) Procede de moulage par injection et etirage-soufflage
EP0556323A1 (fr) Procede assiste au gaz destine au moulage d'articles en plastique et servant a ameliorer la qualite de leur surface.
CA2194544A1 (fr) Dispositif d'etancheite entre une ebauche de recipient en matiere plastique et une tuyere de soufflage, et machine de soufflage de recipients pourvue d'un tel dispositif
JPH0411374B2 (fr)
US4992230A (en) Method for making a hollow polyethylene terephthalate blow molded article with an integral external projection such as a handle
AR003746A1 (es) Un metodo mejorado para inyeccion estirado soplado.
KR100243759B1 (ko) 튜브용기의 제조방법
KR200298252Y1 (ko) 용기 내면에 보강구조를 구비하는 포장용기
JPH04138241A (ja) 把手付き中空容器の成形方法
JPH0789560A (ja) スナップオン式キャップ装着用のボトルネック構造及びプリフォームの射出成形型
DE59807610D1 (de) Verfahren zum Herstellen eines Vorformlings sowie Vorformling zum Blasformen eines Behälters
JPH0577233A (ja) 予備成形体及びその製造方法

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed